]> git.baikalelectronics.ru Git - kernel.git/commit
ASoC: qcom: lpass-platform: Update VMA access permissions in mmap callback
authorSrinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
Fri, 27 May 2022 14:10:08 +0000 (19:40 +0530)
committerMark Brown <broonie@kernel.org>
Wed, 1 Jun 2022 10:24:10 +0000 (12:24 +0200)
commit43e52cc58188f1f34217549d0e5b3fe6da0d4cdd
treeaf2634b66a13e9b55d13a2bc39fcd9cf2d901634
parentc2feea379ff8e5876c84a01bfbdab452abb60dcc
ASoC: qcom: lpass-platform: Update VMA access permissions in mmap callback

Replace page protection permissions from noncashed to writecombine,
in lpass codec DMA path mmp callabck, to support 64 bit chromeOS.
Avoid SIGBUS error in userspace caused by noncached permissions in
64 bit chromeOS.

Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
Link: https://lore.kernel.org/r/1653660608-27245-1-git-send-email-quic_srivasam@quicinc.com
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/qcom/lpass-platform.c